ML20086K343
| ML20086K343 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom  |
| Issue date: | 02/13/1975 |
| From: | Ullrich W PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| Shared Package | |
| ML20086K331 | List: |
| References | |
| AO-75-17, NUDOCS 8401270036 | |
| Download: ML20086K343 (1) | |
Text
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>" TAM Peacn Bot tom Atomic Pove{dtation h
Delta. Pennsylvania 17314 teatu.iry 13, l'31)
Mr. James P. O'Reilly, Di rei: tor Office of Inspection and Enforcement Region i United Staten Nuclear Regulatory Commission 631 Park Avenue t'ing of Prussia, Pennsylvania 19406
Subject:
Abnormal Occurrence 24-Rour Notifica tion Confirming W. T. Ullrich's phone conversation with Mr. Walt Baunack, Region 1 1*nited States Nucicar Regulatory Commission _on February 13, 1975.
Reference:
License Number DPR-44 Technical Specification
Reference:
- 4. 7. A. 2. f Report No.:
50-277-75-17 Report Date:
February 13, 1975 Occurrence Date:
Feb ruary 12, 1975 -
Facility:
Peach Bottom Atomic Power Station R.D. 1. L;lta Pennsylvania 17314 Identification of Occurrence,:
Excessive leakage thru check valve (1" - 276Y) immediately downntream of AO-2969-B (Instrument Nitrogen System).
Conditions Prior to Occurrence:
Unit 2 shutdown for piping inspection.
Description of Occurrence:
During a routine local leak rate test the above identified check valve una foun to leak in excess of 2000 cc/ min.
Designation of Apparent Cause of Occurrence:
l Cause of the leakage is under investigation.
Analysis'of Occurrence:
The safety implications of this occurrence are minimal since the downstream isolation valve, AO-2969B,vas found to close and neal satisfactorily.
Corrective Action:
The valve vill be maintained as required to achieve an acceptable leakage rate.
Failure Data:
None.
l Ve ry truly youts, W. T. Ullrich, Superintendent Peach Sottom Atomic Power Station
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8401270036 750221 PDR ADOCK 05000277 l
S PDR
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